At the poles, how fast does the earth spin?

Answer 1

Assuming that the equatorial radius is 6378 km = 3963 miles, the spin speed near the equator (latitude 0 deg) is 1037.5 mil/'h =1669.7 km/h, nearly.

At latitude #theta# deg N or S, the spin=speed is cos #theta# X spin-speed at the equator. For example, at latitude 60 deg N or Sm the speed is halved. This way, we can say, Poles (lat = 90 deg and cos 90 = 0) are not rotating Of course, the angular speed 15 deg/h remains the same , everywhere.\

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Answer 2

Claire Anctil

The Earth rotates at a speed of about 0 meters per second at the poles.

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Answer from HIX Tutor

When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.